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Marine Aquarium Log Template

This is a Marine Aquarium Log Template for recording your aquarium chemistry. Cut & Paste it into MS Excel, notepad or MS Word. For more information on aquarium setup click on Aquarium Tips & Techniques.

Date Temp oF Specific GravityAmmonia mg/lpHAlkalinityCalcium mg/lNitrite mg/lNitrate mg/lPhos- phateComments
Target 75 - 80 1.020 - 1.023<0.18.0 - 8.42.5 - 5.0 meq/L410-450 mg/lUndetect- able<201.0 - 5.0 mg/l 
10/17/200X         Purchased from Aquatic Design
           
          
          
          
           
           
          
           
           
           
           
           
           
           
           
           
           
          
          

Example Marine Aquarium Log

Date Temp oF Specific GravityAmmonia mg/lpHAlkalinityCalcium mg/lNitrite mg/lNitrate mg/lPhos- phateComments
Target 75 - 80 1.020 - 1.023<0.18.0 - 8.42.5 - 5.0 meq/L410-450 mg/lUndetect- able<201.0 - 5.0 mg/l 
3/17/2001      0.2  Purchased from Aquatic Design
          Originally Col G was Nitrite which has never been detected. Switched on 11/25/01
Examples         Replenished 5 Gal Seawater
12/30/2004 1.0280.2 8.03.8  10 fish tank looks great
12/30/2004      0.0  marine aquarium is daunting in a way, a good way
12/30/2004         78 1.026    0.0  Cleaned algae off inside glass - Water clear - brown algae growth slowed - need to lower specific gravity 3 more points
12/30/2004         Replaced 5 gallons seawater for fresh water to lower salinity
12/30/2004         78 1.0250.0 8.03.8 trace5 Brown algae - fish tank water very clear
12/30/2004         79 1.0250.0 8.03.7 trace00 Algae Bad - Cut lamps to 7 Hr/day - after water change run carbon in it for 3 weeks
12/30/2004      trace  Replenished 5 gal rev osmosis fresh water to reduce salinity - washed algae off stones and plants - Added 2 Tablespoons Buffer to raise pH
12/30/2004         78 1.0240.0 8.03.7 0.00